Examlex
The failure of the gametes to fuse is a prezygotic barrier to reproduction.
Uterine Wall
The muscular layer of the uterus, crucial for menstrual cycles and expanding during pregnancy to accommodate a growing fetus.
Primary Oocyte
An early stage in the development of an egg cell (oocyte) within the ovary, before it undergoes meiotic division.
Secondary Oocyte
A cell that forms as a result of the first meiotic division of an oocyte and goes on to complete meiosis II upon fertilization.
Granulosa Cells
In mammals, cells that surround the developing oocyte and are part of the follicle; produce estrogens and inhibin
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